Lua APA (7ú heag.)

HOWARD WILFRED EDT. (1985). PRACTICE OF PUBLIC RELATION (2ND.). HEINEMANN.

Lua i Stíl Chicago (17ú heag.)

HOWARD WILFRED EDT. PRACTICE OF PUBLIC RELATION. 2ND. LONDON: HEINEMANN, 1985.

Lua MLA (9ú heag.)

HOWARD WILFRED EDT. PRACTICE OF PUBLIC RELATION. 2ND. HEINEMANN, 1985.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.